Hmm. I have 4-core i7-4770, but the UI on this thing lags a lot, all widgets generally feels sluggish. Such graphics operations don't require a lot of CPU, though, remember that we used to have 200 MHz Pentiums?

On Firefox it's even worse, looks like it was rendered by 4 MHz Apple II. :|

But if it allows easy porting of a Java app to a browser, then this is still great stuff. Not the most responsive UI, but in case of emergency, why not?